Significant events for area code 703
| Date |
Details |
| 1947 | The original area code for Virginia |
| 1973 | Area code 703 was split with 804 covering central and southern Virginia |
| July 15, 1995 | Area code 703 was split with 540 covering central and southern Virginia |
| May 14, 2022 | Area code 540 was overlaid with 826 covering southwestern Virginia |